Quote:
Originally Posted by avandonk
I tend to stack my data 1.5 times the native pixel count of my sensor. This with dithering and lots of frames increases the resolution due to the under sampling. One thing this allows me to do is then bin x2 or 50% which increases signal to noise by a factor of four. The image is now 75% of native pixel count about right for mosaics and the stars are now perfectly round.
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Have you looked at the Drizzle algorithm at all, Bert? Hopefully it will be implemented in PI before too long.
Binning x2 will increase signal by 4 times and shot noise by sqrt(4) times for a net improvement in SNR of 2 times. Suffering from too many nights at the scope?
Cheers,
Rick.